PAC Racing PAC-1255X-16 RPM Valve Springs 1.445 OD

PAC Racing designed these PAC-1255X-16 Valve Springs for Circle Track and Drag Racing applications. These RPM Series HP Ovate Wire Beehive springs are manufactured from a premium alloy that outperforms automotive industry standards. PAC Racing processes these springs to aerospace shot-peening standards to allow for superior fatigue performance.

PAC Racing's proprietary process ensures that these valve springs will withstand the rigors of street performance and mild racing applications.

PAC Racing PAC-1255X-16 Valve Springs Specs:

• Number of Springs Per Valve: Single
• Valve Spring Style: Beehive
  
• Maximum Valve Lift: 0.700 in.
• Outside Diameter of Outer Spring: 1.445 in.
• ID Large End:: 0.990 in.
• ID Small End: 0.731 in.
• Installed Height: 1.950 in.
• Coil Bind Height: 1.220 in.
• Spring Rate: 408 lbs./in.
• Spring Open Height: 1.300 in.
• Spring Open Load: 440 lbs.
• Load At Installed Height: 175 lbs.
• Damper Spring Included: No
  
• Retainers Included: No
• Valve Springs Coated: No
• Valve Stem Seals Included: No
• Locks Included: No
• Quantity: Sold as a set of 16

PAC: The World’s Premier Valve Spring Manufacturer!